Question

which of the following statements is true about a 180° rotation of a triangle? choose the correct answer among the choices. the triangle undergoes a dilation, changing its size but not its orientation. the shape of the triangle changes, but its size and orientation remain the same. the shape and size of the triangle remain the same, but its orientation changes. the shape and size of the triangle change, but its orientation remains the same.

Explanation:

A 180 - degree rotation of a triangle changes its orientation. The shape and size of a triangle remain the same under rotation. Dilation changes the size of a triangle but not its orientation or shape.

Answer:

The shape and size of the triangle remain the same, but its orientation changes.